Parse error at u: usage might be invalid MATLAB syntax.

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BO-HAO LIN
BO-HAO LIN 2021-10-25
评论： Dave B 2021-10-25
I want to draw a curve of a cubic equation in SIMULINK, which shows a syntax error. I don’t know what the error is.

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Dave B
Dave B 2021-10-25
编辑：Dave B 2021-10-25
If you want to multiply you need a *
y=-0.0811*u^3...
Also consider if you want to raise a vector to the power of 3, you probably want .^
y=-0.0811*u.^3...

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